You can also try sox (http://sox.sourceforge.net/).
On 4/2/13, Steve C <natgeo.operations at gmail.com> wrote:
>> (You have to specify the option 16 - or at least
>> 14 - times.)
>> sorry, i was not clear, i have tried to apply -channel_layout after
> each audio input,
> but that does not seem to work. FFMPEG just takes that last
> -channel_layout option
> and applies that to all audio inputs.
>> I have also tried to apply -channel_layout as one statement for all inputs
>> -channel_layout FL+FR+FC+LFE+BL+BR+SL+SR
>> this option also does not seem to work, FFMPEG does not apply the
> layout to each input channel inscucession,
> but applies the full layout to each channel.
> so it creates an output file that has a 5.1 layout applied to each mono
> stream.
>> What is the correct way to apply -channel_layout in my situation?
> I have 16 mono files, each represent one channel of the audio mix
> 5.1+2 (Full Mix) and 5.1+2 (MDE Mix)
>>> The fact that FFmpeg tries hard to guess a channel_layout
>> for every audio input is a regression; it couldn't be
>>>> I am not convinced anybody is working on reverting
>> "always guess a channel layout", probably because
>> developers do not see this as a bug.
>> is there a way to bring up this issue with the developers?
>> my preference would be to create a output file with no channel layout
> assigned.
> if that is not possible, i can try to make the -channel_layout work
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